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John McAfee
John David McAfee (1945–2021) was a British-American programmer who founded antivirus pioneer McAfee Associates in 1987, promoted cryptocurrency, ran for president twice, and died in a Spanish prison in 2021 awaiting US extradition.
John McCarthy (computer scientist)
John McCarthy (1927–2011) was an American computer scientist at Stanford University who coined the term "artificial intelligence," created LISP, and won the 1971 Turing Award.
John Milton Miller
John Milton Miller was an American electrical engineer and physicist who worked at the Bureau of Standards and Naval Research Laboratory, reported the Miller effect in 1919, and held over 20 radio patents.
John Muldoon (battery chemist)
John Muldoon is a battery chemist and Senior Principal Scientist at the Toyota Research Institute of North America in Ann Arbor, Michigan, known for magnesium and solid-state battery research.
John N. DuPont
John N. DuPont (born 1964) is an American welding and solidification metallurgist at Lehigh University who won the 2000 Presidential Early Career Award for Scientists and Engineers.
John N. Tsitsiklis
John N. Tsitsiklis (Greek: Γιάννης Ν. Τσιτσικλής), born 1958 in Thessaloniki, is a Greek MIT professor known for work on optimization and reinforcement learning theory.
John Newton (scientist)
John Newton (1822–1895) was an American civil engineer and Union Army general who blasted the Hell Gate reefs from New York Harbor and served as Chief of Engineers from 1884 to 1886.
John O. Hallquist
John O. Hallquist is an American computational mechanics engineer who created the DYNA3D finite element code at Lawrence Livermore and founded LSTC to commercialize it as LS-DYNA.
John O. Marsden
John O. Marsden is a metallurgical engineer specializing in copper and gold extraction who served as president of Freeport-McMoRan Mining Company and was elected to the National Academy of Engineering in 2010.
John Ousterhout
John Ousterhout is an American computer scientist and Stanford professor known for the Tcl scripting language, the Sprite operating system, log-structured file systems, and the Raft consensus algorithm.
John P. Connolly
John P. Connolly is an American environmental engineer and National Academy of Engineering member whose contaminant bioaccumulation models guided remediation of the Hudson River and other Superfund sites.
John P. Donoghue
John P. Donoghue is an American neuroscientist and neuroengineer, the H.M. Wriston Professor at Brown University, who pioneered brain–computer interfaces and won the 2026 Queen Elizabeth Prize for Engineering.
John P. Hirth
John P. Hirth, also known as John Price Hirth, is an American materials scientist known for dislocation theory and the textbook Theory of Dislocations with Jens Lothe.
John Pender
Sir John Pender (1816–1896) was a Scottish textile merchant who became Britain's leading promoter of submarine telegraph cables, founding Telcon in 1864 and the Eastern Telegraph Company in 1872.
John Piña Craven
John Piña Craven (1924–2015) was an American ocean engineer who, as chief scientist of the Navy's Special Projects Office, led Cold War deep-ocean programs and developed Bayesian search theory.
John R. Anderson (cognitive scientist)
John R. Anderson, born in 1947, is an American cognitive scientist at Carnegie Mellon University who developed the ACT-R cognitive architecture and intelligent tutoring systems.
John R. Brophy
John R. Brophy is an American aerospace engineer and Engineering Fellow at NASA's Jet Propulsion Laboratory who led development of the ion engines flown on Deep Space 1 and Dawn.
John R. Kiely
John R. Kiely (1906–1996) was an American civil engineer at Bechtel who directed the Churchill Falls hydroelectric project and chaired the joint venture that built BART.
John R. Monnier
John R. Monnier (1948–2024) was an American chemical engineer who spent 32 years in industrial catalysis at Eastman Kodak and Eastman Chemical, then became a professor at the University of South Carolina.
John R. Pierce
John R. Pierce (1910–2002) was an American electrical engineer at Bell Labs, called the father of communications satellites Echo and Telstar, who also coined the name transistor.
John R. Treichler
John R. Treichler is an American electrical engineer known for the constant modulus adaptive filtering algorithm and elected to the National Academy of Engineering in 2016.
John Reif
John H. Reif (born 1951 in Madison, Wisconsin) is an American computer scientist at Duke University, a pioneer in DNA computing and molecular programming, and a fellow of IEEE, ACM, and AAAS.
John Rennie the Elder
John Rennie the Elder was a Scottish civil engineer (1761–1821) who designed canals, docks, and harbors across Britain. He is best known for the three Thames bridges.
John Ripley Freeman
John Ripley Freeman (1855–1932) was an American civil and hydraulic engineer known for fire-stream experiments, the Charles River Basin study, and pioneering earthquake engineering; he was elected to the National Academy of Sciences in 1918.
John Robert Beyster
J. Robert Beyster (1924–2014) was an American physicist in reactor physics who founded Science Applications International Corporation (SAIC), the largest employee-owned research and engineering firm in the United States.
John Roy Whinnery
John Roy Whinnery (1916–2009) was an American electrical engineer at UC Berkeley, known for waveguide discontinuity analysis, microwave tubes, and the electromagnetics textbook Fields and Waves.
John S. Foster, Jr.
John S. Foster, Jr. was an American physicist and nuclear weapon designer who directed Lawrence Livermore National Laboratory and served as the Pentagon's chief of defense research from 1965 to 1973.
John S. Langford
John S. Langford III is an American aerospace engineer who founded Aurora Flight Sciences in 1989 and Electra.aero, and led the record-setting Daedalus human-powered aircraft.
John S. Mayo
John S. Mayo is an American electrical engineer and retired president of AT&T Bell Laboratories known for leading the US telephone network's conversion from analog to digital technology.
John S. McNown
John S. McNown (1916–1998) was an American hydraulic engineer, dean of engineering at the University of Kansas, elected to the National Academy of Engineering in 1987.